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stacking fault,why why why i sorry歌词,英文歌来着,有点节奏感,不知道歌词是i i i i详细介绍

本文目录一览: 堆叠分裂属于正常现象吗

堆叠分裂是指一种植物繁殖方式,也被称为“克隆繁殖”。它是由于植物的某个器官(比如根茎)本身就具有分化成新的植物的能力,从而可以在合适的条件下自我克隆。因此,堆叠分裂并不算是一种病态现象,而是一种正常的自然现象。
堆叠分裂通常发生在一些多年生的植物上,比如竹子、藤蔓等。这些植物具有强大的生命力和适应性,可以通过堆叠分裂的方式在适宜的条件下实现快速繁殖。在自然界中,堆叠分裂还可以帮助植物更好地适应环境,快速扩大自己的种群,从而提高生存率。
总的来说,堆叠分裂是一种常见的植物繁殖方式,不算是异常现象。它可以帮助植物更好地适应环境,提高生存率,同时也为我们提供了更多种植物资源,有利于生态平衡的维护。
堆叠分裂(stacking fault)是一种在晶体中产生的缺陷,由于晶体中的原子错位导致排列出现偏差。在晶体材料的制备和加工过程中,堆叠分裂是一种正常的现象。
在材料加工中,由于外力和工艺的影响,材料的晶粒或结构可能发生变化,从而形成堆叠分裂。通常情况下,这种缺陷不会对材料的性能产生明显的影响,甚至可以提高材料的力学性能和导电性能等等。
然而,当这种缺陷过多或严重时,可能会对材料的性能产生负面影响,比如导致晶体的弹性模量、导电性、化学稳定性、热稳定性等降低,甚至导致材料的断裂和疲劳损伤等。
因此,在材料加工和制备过程中,需要控制堆叠分裂的程度和数量,以确保材料的质量和性能。

晶格缺陷与位错有哪些?

岩石变形显微构造的发育,在很大程度上取决于岩石变形过程中晶体内部缺陷的表现,以及岩石受应力作用后晶格缺陷再排列的方式。
(一)晶格缺陷及其类型完美的晶体内部结构具有完整的旋回性,粒子沿着晶格结构的固定方向有规律地重复出现。但是,自然界的晶体,无论是从溶体(溶液)中生长,或者在固态中再结晶作用形成,晶格内的正常粒子经常空缺或被不同粒子所替代,因而导致晶体内部出现具有不同性质的缺陷。晶格缺陷(lattice defect),又称晶体缺陷(crystal defect)。即在晶体结构中的局部范围内,原子的排列偏离了或周期性平移重复的格子构造规律而错乱排列的现象。
缺陷的性质与晶体结构、晶体化学场之间具有强烈的相互制约的关系。在天然矿物中,缺陷有着十分复杂的构造。按缺陷在晶体中的几何分布特征可将晶体缺陷分为点点缺陷(只涉及一个原子大小范围的晶格缺陷,如空位、填隙、替位等)、线缺陷(沿晶格中某条线周围的几个原子间距范围内的晶格缺陷,如位错等)和面缺陷(沿晶格内或晶畴间的某个面两侧的几个原子间距范围内的晶格缺陷,如堆垛层错、畴界壁、小角晶界等)。晶格缺陷有生长和应变两种成因。它们均可在晶格内移动乃至消失。晶格缺陷的存在会对晶体的物理、化学性质产生显著的影响。
点缺陷(point defect)又称零维缺陷,晶格内某一结点上原子排列的周期性被破坏或中断。点缺陷各个方向的延伸都很小,约占一个或几个原子间距。点缺陷包括:
(1)空位缺陷(vacancy defect):一个同类原子的丢失或空缺。空位(图1-1a)是晶体格架中结点位置上的原子缺失,这里是典型的负压中心。在接近熔点的高温下,空位附近的原子会发生位移而形成大约十几个原子大小的非晶质区,称为松弛群(lattice re-laxation),它对于材料的性能,特别是固态扩散有着较大的影响。
(2)替换缺陷(replacement defect):指晶体格架结点上的原子被其他类型的原子所替换(图1-1b,c)。根据外来原子半径的不同,可以在点缺陷附近产生正压或负压,导致晶体内应力场发生变化。
(3)间隙缺陷(interstitial defect)是晶体格架非结点位置上出现原子,分为两种类型:自间隙粒子(self-interstitials)和他间隙粒子(interstitial impurities)(图1-1d)。前者情况出现的是同类型粒子,后者出现的是其他类型的粒子,也称为杂质缺陷(admixture defect)。
线缺陷(line defect)晶体格架内结点原子排列的周期被线性破坏了。它是变形晶体中最常见的缺陷,特点是在三维空间中,只在一维方向上有缺陷,而在另二维方向上缺陷延伸很小。线缺陷的主要类型是位错,位错及其运动在矿物和岩石塑性流动变形中起重要作用。
面缺陷(planar defect)晶体格架内结点排列的周期性破坏成为一个面,并在两个方向上延伸,故称二维缺陷。晶体内部的亚晶粒边界和晶体颗粒边界是最常见的面缺陷。双晶面、不同物相的边界(如出溶相界)等都属于面缺陷。
堆垛层错(stacking fault)广义的层状结构中常见的一种面缺陷。它是晶体结构层正常的周期性重复堆垛顺序在某二层间出现了错误,从而导致的沿该层间平面(称为层错面)两侧附近原子的错误排布。如在立方紧密堆积(CCP)结构中,其固有的正常堆垛顺序为三层重复的……ABC,ABC,ABC……如果局部出现诸如……ABC,A\C,ABC……或者ABC,A\C,ABC……则在划线处便是堆垛层错所在。它们在形式上也可以看成是由一个完整的晶格沿层错面,其两侧晶格间发生非重复周期平移所导致的结果。
(二)位错及其类型位错(dislocation)是晶体格架结点原子排列周期被破坏的线缺陷。它是由于晶格发生并未贯穿整体的局部相对滑移,因而导致在滑移面的终止线(称为位错线)上产生原子错乱排布的现象。位错既可以是直线,也可以是曲线。
位错的运动与晶格的滑移密切相关。滑移包括了滑移方向和滑移距离两个要素。滑移方向和滑移距离统称为滑移矢量,通常称为伯格斯矢量(Burgers vector),一般用
617或b来表示。伯格斯矢量是由于晶体内产生位错,在晶体的额外半原子面物质消失区,出现闭合路线,线路中存在的闭合差称为伯格斯矢量。矢量的方向表示了位错的性质和位错线的取向;其“模”则反映了晶体点阵畸变的强度。来自同一位错源的位错,具有相同的伯格斯矢量。按位错延伸与位错运动方向之间的关系,可以将位错分为刃型位错和螺型位错两种基本类型。另外,这两种类型可以联合组成混合位错及位错环。
附加半原子面(extra half-plane of atoms)在周期性排列的晶格结构中,有一半原子面缺失而只有原子面的另一半,似乎是有一个半原子面附加在完美的晶体结构中,构成一个附加半原子面(图1-2)。附加半原子面在晶体内的端部即构成一条完整的位错线,它是晶体中位错的基本形式。
刃型位错(edge dislocation)运动方向与延伸方向垂直的位错,它往往具有一个附加半原子面,并使得晶格发生畸变(图1-3)。按伯格斯矢量、位错线及附加半原子面间的几何关系,刃型位错还可有正、负之分。
螺型位错(screw dislocation)运动方向与延伸方向一致的位错(图1-4)。在位错周围,原子呈螺旋型排列,垂直于位错线的一系列平行晶面形成连续的螺旋面。根据位错线附近原子旋转方向的不同,螺型位错可分为左旋螺型位错和右旋螺型位错(图1-4)。螺型位错是一条直线,它没有多余的附加半原子面。
实际晶体中出现的位错常呈弧形,兼有刃型及螺型两种位错的特点,称混合位错(mixed dislocation)。位错闭合于晶体内部则构成位错环,位错环的任何一小段都可分解为刃型位错、螺型位错或混合位错。

半导体晶体的概念,性质和特点是什么?

半导体、绝缘体和导体由禁带宽度划分,即导带与价带之间的相对位置决定。
1 导体的导带和价带基本重合,禁带宽度为0,电子由价带进入导带基本无需额外能量,因此内部存在大量自由电子,具有低电阻率。
2 半导体导带和价带距离适中,即禁带宽度适中,因此价带中的电子在常见能量级别的激励下,例如光、热和电压,即可进入导带,导致半导体电阻率变化。
3 绝缘体与半导体类同,但禁带宽度很宽,需要大量能量才能导电,例如高于5000V的高压电,因此电阻率很高。光和热通常无法导致绝缘体导电,绝缘体一般耐热性不高,能导致电子跃迁到导带的温度下,大部分碳基绝缘体已经碳化,其余绝缘体已经熔化或气化。

why why why i sorry歌词,英文歌来着,有点节奏感,不知道歌词是i i i i

T.I. Sorry Andre
My cup runneth over with pinot grigio, hold up
You bogus in the lambo if you ain't lifting the door up
You bogus poppin' pills if you ain't pickin the ho up
You bogus running out on your kids my nigga grow up
For God's sake, like a wedding, cutting large cake
For large stakes let the hammer bang broad day
Ay, nevermind what the blogs say
This what my mind and my heart say
My philosophy profit off of my properties
Get it, flip it, we got to be rich, that broke shit is obsolete
Possibly off of my rocker, watch how you watching me
Sophisticated, psychotic, fly as a pilot
Officially silent, all you wish you could get I got it
Unlimited titanium nigga, what's in yo wallet?
Out of gladiator college, I made it summa cum laude
While you clowns couldn't have got a cap
and gown if you bought it
I parlay with Saudis, buying crude oil and diamonds
Hustle January, July, fly to Dubai
A broke nigga telling me 'bout how I'm dividing the pies
Like a blind nigga telling me it's an eye for an eye
Bullheaded and stubborn I be that way until I die
But find a nigga with more hustle then me I dare you to try
And according to the hand on my Audemar
It's my time to shine so fuck ya'll
What should sorry I be sorry for
Who should I be sorry to
What should I be sorry for
Who should be I sorry to
The fact is you can't please everybody
You can't please everybody
What should I be sorry for
Who should I be sorry to
I grew up in the gutter, life a motherfucker
I get that why I don't trust a motherfucker
Seen a nigga snitch on they mom, shoot at they brother
Go to prison in love with a bitch and a nigga fuck her
I seen real G's destroyed by real suckers
Innocent ladies raped and defenseless babies abducted
Such a horrible truth, but you see it over and over
It's nothing, you numb to it and your heart grow colder
Pacify your pain with a chain and a Rover
Fuck it, justify your action by stacking your dough up
You show up with a brick of cocaine and baking soda
Just enough for me to blow up, nigga hold up
Switch the flow up, cause these niggas be snitchin' so much
I promise all they missing's the badge, coffee, and donut
Go to jail so what, see my never integrity perish
That ain't the Harris' way, study my pedigree
Promise I'm one of the only ones who keep it 100
Probably why I think they all out to get me, you can't convince me
Large money and fame will plant seeds of envy
To make my partners resent me enough to come and get me
Catch me slippin' and hit me, just like they did 50
Cause I'm in the position that he think he should be given
Listen, dawg, the fact of the matter is
I'm on a narrow path and we all can't travel
What should I be sorry for
Who should I be sorry to
What should I be sorry for
Who should I be sorry to
The fact is you can't please everybody
You can't please everybody
What should I be sorry for
Who I should be sorry to
What it ain't, What is it ?
Even if you gotta live
I learned that apartment is way more exciting than ass a house big on a hill
I used to be a way better writer and a rapper
When I used to want a black Karmann Ghia
Now a nigga speeding in a Porsche
Feeling like I'm going off a course
Cut these fuck niggas off
Nigga TIP in my life scream that till im horse
Duck these get the fuck off me projectiles, bitch you ain't really got a choice
I'm living my life live yours
I don't even like rapping fast, but that's how the world come to me
Talk to me sideways nigga that's your ass
Slow it down, this that shit that'll make you call your momma
Say hey I'm sorry for begging for all them clothes you couldn't afford
And this the type of shit that'll make you call your rap partner
And say I'm sorry I'm awkward, my fault for the fuckin' up tours
I hated all the attention so I ran from it
Fuck it if we did, but I hope we ain't lose no fans from it
I'm a grown-ass kid, you know ain't never cared about no damn money
Why do we try so hard to be stars, just to dodge comments
And this that shit that'll make you call your baby mama
When you gone on half a pill, don't know why but that I did
Then you take a flight back to the crib, y'all make love like college kids
And you say all the shit you gon' do better, we can againtry this shit
‘Round the time the dope wear off, you feel stupid, she feel lost
That's that dope, I mean, I mean dopamine you think Cupid done offworn
Waiting in the hallway with her arms crossed
Her baby boy face full of applesauce
Maybe should have stayed but it ain't yo fault
Too much pressure, I fell off, I'm sorry
Was young and had to choose between you
And what the rest of the world might offer me, shit what would you do
Well I'd probably do it differently if second the chance
Only if some cool ass older man would've let me know in advance
This, this quarry, that is dug so deep in a father's chest
When he feel that he's broken up his nest
And he figured shit he was just doing the best couldthat he
Which end up being the worst that he could
And all some pussy nigga on the internet can say is that verse ain't good
It's boring boring?
Really?
When I'm disgusted with this world and I can hardly breathe and
Told so many lies, don't know what to believe
I discussed it with this girl, and this is what she said
She said lay down baby, baby, rest your weary head up
I love these distractions but my mind don't wanna rest
But my body disagree so I laid up on her breasts, yes
Ooooh, you are so fucking fine
I woke up the next morning with new purpose on my mind
Ooooh, who pulls your ponytail
Who knows your body well
What should I be sorry for?
Who should I be sorry to?

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